The AT89S52-24AU is a 8-bit low-power high-performance CMOS Microcontroller with 8kB of in-system programmable Flash memory. The device is manufactured using Atmel's high-density non-volatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional non-volatile memory programmer. By combining a versatile 8-bit CPU with in-system programmable flash on a monolithic chip, the Atmel AT89S52 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89S52 provides the following standard features, 8kB of flash, 256 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator and clock circuitry.
- Compatible with MCS?-51 products
- 8kB In-System Programmable (ISP) flash memory
- 10,000 Write/erase cycles endurance
- Three-level program memory lock
- 256 x 8-bit Internal RAM
- 32 Programmable I/O lines
- Three 16-bit timers/counters
- Eight interrupt sources
- Full duplex UART serial channel
- Low-power idle and power-down modes
- Interrupt recovery from power-down mode
- Watchdog timer
- Dual data pointer
- Power-off flag
- Fast programming time
- Flexible ISP programming (byte and page mode)
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